syzbot


INFO: task hung in r871xu_dev_remove

Status: upstream: reported C repro on 2021/12/09 06:27
Labels: usb staging (incorrect?)
Reported-by: syzbot+f39c1dad0b7db49ca4a8@syzkaller.appspotmail.com
First crash: 589d, last: 2d06h

Cause bisection: failed (error log, bisect log)
Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly usb report (May 2023) 0 (1) 2023/05/31 12:38
[syzbot] Monthly usb report (Apr 2023) 0 (1) 2023/05/01 09:05
[syzbot] Monthly staging report 0 (1) 2023/04/05 08:59
[syzbot] INFO: task hung in r871xu_dev_remove 1 (3) 2021/12/15 13:30
Last patch testing requests (1)
Created Duration User Patch Repo Result
2022/01/24 12:34 12m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ 5472f14a3742 OK
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/02/23 12:46 39m bisect fix upstream job log (0) log

Sample crash report:
INFO: task kworker/0:0:7 blocked for more than 143 seconds.
      Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:21664 pid:7     ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x187b/0x4900 kernel/sched/core.c:6669
 schedule+0xc3/0x180 kernel/sched/core.c:6745
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
 do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138
 r871xu_dev_remove+0x72/0x440 drivers/staging/rtl8712/usb_intf.c:595
 usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1295
 bus_remove_device+0x341/0x410 drivers/base/bus.c:574
 device_del+0x538/0x9c0 drivers/base/core.c:3814
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1420
 usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2238
 hub_port_connect drivers/usb/core/hub.c:5246 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x1f36/0x5460 drivers/usb/core/hub.c:5793
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 process_scheduled_works kernel/workqueue.c:2468 [inline]
 worker_thread+0xd20/0x1210 kernel/workqueue.c:2554
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:0:22 blocked for more than 143 seconds.
      Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:21344 pid:22    ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x187b/0x4900 kernel/sched/core.c:6669
 schedule+0xc3/0x180 kernel/sched/core.c:6745
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
 __mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
 unregister_netdev+0x7d/0x210 net/core/dev.c:10955
 r871xu_dev_remove+0xae/0x440 drivers/staging/rtl8712/usb_intf.c:597
 usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1295
 bus_remove_device+0x341/0x410 drivers/base/bus.c:574
 device_del+0x538/0x9c0 drivers/base/core.c:3814
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1420
 usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2238
 hub_port_connect drivers/usb/core/hub.c:5246 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x1f36/0x5460 drivers/usb/core/hub.c:5793
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 process_scheduled_works kernel/workqueue.c:2468 [inline]
 worker_thread+0xd20/0x1210 kernel/workqueue.c:2554
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/0:2:901 blocked for more than 143 seconds.
      Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:21784 pid:901   ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x187b/0x4900 kernel/sched/core.c:6669
 schedule+0xc3/0x180 kernel/sched/core.c:6745
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
 do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138
 r871xu_dev_remove+0x72/0x440 drivers/staging/rtl8712/usb_intf.c:595
 usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1295
 bus_remove_device+0x341/0x410 drivers/base/bus.c:574
 device_del+0x538/0x9c0 drivers/base/core.c:3814
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1420
 usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2238
 hub_port_connect drivers/usb/core/hub.c:5246 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x1f36/0x5460 drivers/usb/core/hub.c:5793
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 process_scheduled_works kernel/workqueue.c:2468 [inline]
 worker_thread+0xd20/0x1210 kernel/workqueue.c:2554
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:2:904 blocked for more than 144 seconds.
      Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:21784 pid:904   ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x187b/0x4900 kernel/sched/core.c:6669
 schedule+0xc3/0x180 kernel/sched/core.c:6745
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
 __mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
 unregister_netdev+0x7d/0x210 net/core/dev.c:10955
 r871xu_dev_remove+0xae/0x440 drivers/staging/rtl8712/usb_intf.c:597
 usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1295
 bus_remove_device+0x341/0x410 drivers/base/bus.c:574
 device_del+0x538/0x9c0 drivers/base/core.c:3814
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1420
 usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2238
 hub_port_connect drivers/usb/core/hub.c:5246 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x1f36/0x5460 drivers/usb/core/hub.c:5793
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 process_scheduled_works kernel/workqueue.c:2468 [inline]
 worker_thread+0xd20/0x1210 kernel/workqueue.c:2554
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/0:1:5036 blocked for more than 144 seconds.
      Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D stack:21528 pid:5036  ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x187b/0x4900 kernel/sched/core.c:6669
 schedule+0xc3/0x180 kernel/sched/core.c:6745
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
 do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138
 r871xu_dev_remove+0x72/0x440 drivers/staging/rtl8712/usb_intf.c:595
 usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1295
 bus_remove_device+0x341/0x410 drivers/base/bus.c:574
 device_del+0x538/0x9c0 drivers/base/core.c:3814
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1420
 usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2238
 hub_port_connect drivers/usb/core/hub.c:5246 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x1f36/0x5460 drivers/usb/core/hub.c:5793
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 process_scheduled_works kernel/workqueue.c:2468 [inline]
 worker_thread+0xd20/0x1210 kernel/workqueue.c:2554
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/0:3:5039 blocked for more than 144 seconds.
      Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3     state:D stack:21784 pid:5039  ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x187b/0x4900 kernel/sched/core.c:6669
 schedule+0xc3/0x180 kernel/sched/core.c:6745
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
 do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138
 r871xu_dev_remove+0x72/0x440 drivers/staging/rtl8712/usb_intf.c:595
 usb_unbind_interface+0x1d1/0x840 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4f9/0x7a0 drivers/base/dd.c:1295
 bus_remove_device+0x341/0x410 drivers/base/bus.c:574
 device_del+0x538/0x9c0 drivers/base/core.c:3814
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1420
 usb_disconnect+0x340/0x8d0 drivers/usb/core/hub.c:2238
 hub_port_connect drivers/usb/core/hub.c:5246 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x1f36/0x5460 drivers/usb/core/hub.c:5793
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 process_scheduled_works kernel/workqueue.c:2468 [inline]
 worker_thread+0xd20/0x1210 kernel/workqueue.c:2554
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/0:17:5448 blocked for more than 145 seconds.
      Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:17    state:D stack:27672 pid:5448  ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x187b/0x4900 kernel/sched/core.c:6669
 schedule+0xc3/0x180 kernel/sched/core.c:6745
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
 __mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
 addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4630
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Showing all locks held in the system:
5 locks held by kworker/0:0/7:
 #0: ffff8880156f0938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc900000c7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffff888142b41190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #2: ffff888142b41190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x5460 drivers/usb/core/hub.c:5739
 #3: ffff888029f3c190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff888029f3c190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2229
 #4: ffff888024a94160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #4: ffff888024a94160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff888024a94160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1292
1 lock held by rcu_tasks_kthre/13:
 #0: ffffffff8cf27670 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
 #0: ffffffff8cf27a30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
6 locks held by kworker/1:0/22:
 #0: ffff8880156f0938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc900001c7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffff888142b29190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #2: ffff888142b29190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x5460 drivers/usb/core/hub.c:5739
 #3: ffff8880763ce190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff8880763ce190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2229
 #4: ffff88807a0a5160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #4: ffff88807a0a5160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff88807a0a5160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1292
 #5: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0x7d/0x210 net/core/dev.c:10955
1 lock held by khungtaskd/28:
 #0: ffffffff8cf274a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
5 locks held by kworker/0:2/901:
 #0: ffff8880156f0938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc900059ffd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffff888142b02190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #2: ffff888142b02190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x5460 drivers/usb/core/hub.c:5739
 #3: ffff888029f3e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff888029f3e190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2229
 #4: ffff888024a97160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #4: ffff888024a97160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff888024a97160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1292
6 locks held by kworker/1:2/904:
 #0: ffff8880156f0938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90005a2fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffff888023692190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #2: ffff888023692190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x5460 drivers/usb/core/hub.c:5739
 #3: ffff8880763cd190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff8880763cd190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2229
 #4: ffff888023e7c160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #4: ffff888023e7c160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff888023e7c160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1292
 #5: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0x7d/0x210 net/core/dev.c:10955
2 locks held by dhcpcd/4661:
 #0: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1074
 #1: ffff888029f7cdf0 (&padapter->mutex_start){+.+.}-{3:3}, at: netdev_open+0x35/0x720 drivers/staging/rtl8712/os_intfs.c:391
2 locks held by getty/4749:
 #0: ffff88802cdba098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2176
5 locks held by kworker/0:1/5036:
 #0: ffff8880156f0938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003bffd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffff888142b59190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #2: ffff888142b59190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x5460 drivers/usb/core/hub.c:5739
 #3: ffff888029f3f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff888029f3f190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2229
 #4: ffff888079d13160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #4: ffff888079d13160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff888079d13160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1292
5 locks held by kworker/0:3/5039:
 #0: ffff8880156f0938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003c3fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffff888142b12190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #2: ffff888142b12190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x5460 drivers/usb/core/hub.c:5739
 #3: ffff888072d09190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff888072d09190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xfe/0x8d0 drivers/usb/core/hub.c:2229
 #4: ffff888077f70160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #4: ffff888077f70160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff888077f70160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1292
3 locks held by kworker/0:4/5040:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003c4fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/1:1/5041:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003c5fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:5/5044:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003c7fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/1:4/5050:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003cbfd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:6/5067:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003d67d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:7/5068:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003c1fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:8/5069:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003d97d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:9/5070:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003da7d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:10/5071:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003db7d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:11/5072:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003dd7d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:12/5108:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003eafd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:13/5110:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003e9fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:14/5112:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc90003d57d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:16/5439:
 #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc9000439fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10211
3 locks held by kworker/0:17/5448:
 #0: ffff888028656538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
 #1: ffffc9000449fd20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
 #2: ffffffff8e09f048 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4630

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xec2/0xf00 kernel/hung_task.c:379
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5028 Comm: syz-executor646 Not tainted 6.4.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:variable_test_bit arch/x86/include/asm/bitops.h:228 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:240 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:504 [inline]
RIP: 0010:cpu_online include/linux/cpumask.h:1082 [inline]
RIP: 0010:trace_x86_fpu_regs_activated arch/x86/include/asm/trace/fpu.h:57 [inline]
RIP: 0010:fpregs_activate+0x6c/0x1d0 arch/x86/kernel/fpu/context.h:51
Code: e8 e9 6e 58 00 89 dd 48 89 e8 48 c1 e8 06 48 8d 3c c5 e8 be 55 8e be 08 00 00 00 e8 6e 3e b0 00 31 db 48 0f a3 2d 6c c6 22 0d <40> 0f 92 c5 0f 92 c3 bf 02 00 00 00 89 de e8 41 71 58 00 31 ff 89
RSP: 0018:ffffc90003b7fe80 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8132f872
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e55bee8
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff1cab7de
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff888018ad7250
FS:  0000555556e26300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff9f12da0f0 CR3: 00000000799c7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fpregs_restore_userregs arch/x86/kernel/fpu/context.h:77 [inline]
 switch_fpu_return+0xe7/0x180 arch/x86/kernel/fpu/core.c:752
 arch_exit_to_user_mode_prepare arch/x86/include/asm/entry-common.h:58 [inline]
 exit_to_user_mode_prepare+0xd5/0x140 kernel/entry/common.c:206
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff9f12ce8fa
Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3
RSP: 002b:00007ffe351f6400 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: 0000000000000000 RBX: 00000000000f4240 RCX: 00007ff9f12ce8fa
RDX: 00007ffe351f6440 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000000168a R08: 00007ffe351f90b0 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000d23ef
R13: 00007ffe351f647c R14: 00007ffe351f6490 R15: 00007ffe351f6480
 </TASK>

Crashes (293):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/05/08 17:15 upstream ac9a78681b92 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2022/09/05 18:38 upstream 7e18e42e4b28 922294ab .config console log report syz C ci-upstream-kasan-gce-selinux-root INFO: task hung in r871xu_dev_remove
2022/08/10 03:53 upstream 200e340f2196 c2a623d6 .config strace log report syz C ci-upstream-kasan-gce-selinux-root INFO: task hung in r871xu_dev_remove
2022/06/03 11:23 upstream 50fd82b3a9a9 02dddea8 .config strace log report syz C ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/05/19 22:27 upstream f993aed406ea 50c53f39 .config console log report syz C ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2022/04/23 23:54 upstream 13bc32bad705 131df97d .config console log report syz C ci-upstream-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/03/01 09:32 upstream 719fce7539cd 45a13a73 .config console log report syz C ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/01/06 07:52 upstream 49ef78e59b07 6acc789a .config console log report syz C ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2021/12/15 13:29 upstream 5472f14a3742 f752fb53 .config console log report syz C ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2023/01/24 12:43 linux-next 691781f561e9 9dfcf09c .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/08/25 04:37 linux-next 68a00424bf69 514514f6 .config console log report syz C ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/07/21 16:28 linux-next cb71b93c2dc3 6e67af9d .config console log report syz C ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/07/06 14:17 linux-next cb71b93c2dc3 bff65f44 .config console log report syz C ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/03/06 00:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 98d107b84614 7bdd8b2c .config console log report syz C ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/01/06 07:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 01ec4a2e8f01 6acc789a .config console log report syz C ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/09/10 00:43 upstream 9b4509495418 356d8217 .config console log report syz ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2022/08/08 02:06 upstream 200e340f2196 88e3a122 .config strace log report syz ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2022/07/21 05:01 upstream 353f7988dd84 88cb1383 .config console log report syz ci-upstream-kasan-gce-selinux-root INFO: task hung in r871xu_dev_remove
2022/07/11 09:31 upstream d9919d43cbf6 b5765a15 .config console log report syz ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/05/28 03:30 upstream 8291eaafed36 a46af346 .config console log report syz ci-upstream-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/04/14 16:35 upstream a19944809fe9 b17b2923 .config console log report syz ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/03/24 21:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 46d2c20b0b10 89bc8608 .config console log report syz ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/07 20:38 upstream f2afccfefe7b f7ba566d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in r871xu_dev_remove
2023/03/04 17:31 upstream 0988a0ea7919 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/12/25 04:46 upstream 72a85e2b0a1e 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/10/20 00:56 upstream 55be6084c8e0 b31320fc .config console log report info [disk image] [vmlinux] ci-upstream-kasan-gce-386 INFO: task hung in r871xu_dev_remove
2023/05/29 19:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 046895105d96 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/29 08:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b4a4be847184 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/28 16:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 19b3cf44e18c cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/24 16:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ee4d21aa4a22 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/22 22:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ee4d21aa4a22 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/20 17:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ee4d21aa4a22 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/19 12:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ee4d21aa4a22 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/15 14:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a4422ff22142 c4d362e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/13 17:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec5eb43813a4 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/02 14:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 33afd4b76393 52d40fd2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/02 11:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 33afd4b76393 52d40fd2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/02 01:38 linux-next 92e815cf07ed 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2023/05/01 20:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 33afd4b76393 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/05/01 01:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 33afd4b76393 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/30 23:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 33afd4b76393 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/30 13:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 33afd4b76393 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/30 12:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 33afd4b76393 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/30 07:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 33afd4b76393 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/29 12:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 33afd4b76393 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/21 07:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 76e31045ba03 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/21 06:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 76e31045ba03 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/17 06:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8e86652e3e71 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/13 23:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8e86652e3e71 3cfcaa1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/12 15:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8e86652e3e71 1a1596b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/05 07:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d629c0e221cd 831373d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/04/04 12:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d629c0e221cd 928dd177 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/03/05 23:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0988a0ea7919 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/03/04 22:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0988a0ea7919 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/03/03 19:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 489fa31ea873 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/01/23 22:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e3e9fc7fa7ad 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/01/14 00:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c2fb9a214da1 529798b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/01/04 16:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 1b929c02afd3 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/12/27 06:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 1b929c02afd3 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/12/20 15:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f9ff5644bcc0 c52b2efb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/12/18 23:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f9ff5644bcc0 05494336 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/11/29 06:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9d1566e1f36b ca9683b8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/11/20 18:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing dd65a243a915 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/11/17 05:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing dd65a243a915 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/11/17 03:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing dd65a243a915 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/11/15 19:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing dd65a243a915 97de9cfc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/11/14 11:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing dd65a243a915 943f4cb8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/11/09 09:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 430d57f53eb1 5fa28208 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/11/09 08:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 430d57f53eb1 5fa28208 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/11/08 19:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0ce0f9d0785a 060f945e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2021/12/09 03:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d598c3c46ea6 a4a2a501 .config console log report info ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2021/12/05 06:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e1c72d907f4c a617004c .config console log report info ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2021/10/19 22:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8ef1e58783b9 466b7db1 .config console log report info ci2-upstream-usb INFO: task hung in r871xu_dev_remove
* Struck through repros no longer work on HEAD.